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PromptTools.dev

PromptTools.dev offers a collection of over 60 free online AI and developer tools. It includes functionalities for prompt testing, comparison, and optimization, alongside utilities for cleaning AI outputs. The platform allows users to test prompts across multiple AI models, such as ChatGPT, Claude, and Gemini, and compare their responses side-by-side. It also provides tools for analyzing prompt clarity, calculating token costs, and generating MCP tool definitions.

shipped 29. Aug. 2026codefree
Monthly visits2/mo
codewriting
PromptTools.dev - AI tool hero image

Warum es wichtig ist

1ai
2code
3writing

Spezifikationen

API verfügbar

Ja, öffentliche API

overview

Overview

PromptTools.dev offers a collection of over 60 free online AI and developer tools. It includes functionalities for prompt testing, comparison, and optimization, alongside utilities for cleaning AI outputs.

The platform allows users to test prompts across multiple AI models, such as ChatGPT, Claude, and Gemini, and compare their responses side-by-side. It also provides tools for analyzing prompt clarity, calculating token costs, and generating MCP tool definitions.

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